A refugee Soviet scientist arrives at a desert airport carrying secret documents, but is attacked by a pair of KGB assassins and escapes into the desert, where he comes in range of an American nuclear test and is transformed into a mindless killing beast.
Tor Johnson
as Joseph Javorsky
Bing Stafford
as Patrolman Jim Archer
Larry Aten
as Patrolman Joe Dobson
Douglas Mellor
as Hank Radcliffe
Barbara Francis
as Lois Radckiffe
Alan Francis
as Mike, also called Art, Radcliffe
Ronald Francis
as Randy Radcliffe
Coleman Francis
as Narrator / Gas Station Attendant / Newspaper Customer
Anthony Cardoza
as KGB Driver / Fat Man in Rescue Plane
John Morrison
as KGB Agent with Mustache
Jim Miles
as Javorsky's Aide
Jim Oliphant
as The Stranded Motorist